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CVE-2015-3202

Publication date 21 May 2015

Last updated 24 July 2024


Ubuntu priority

fusermount in FUSE before 2.9.3-15 does not properly clear the environment before invoking (1) mount or (2) umount as root, which allows local users to write to arbitrary files via a crafted LIBMOUNT_MTAB environment variable that is used by mount's debugging feature.

Read the notes from the security team

Status

Package Ubuntu Release Status
fuse 15.04 vivid
Fixed 2.9.2-4ubuntu4.15.04.1
14.10 utopic
Fixed 2.9.2-4ubuntu4.14.10.1
14.04 LTS trusty
Fixed 2.9.2-4ubuntu4.14.04.1
12.04 LTS precise
Fixed 2.8.6-2ubuntu2.1
ntfs-3g 15.04 vivid
Fixed 1:2014.2.15AR.3-1ubuntu0.2
14.10 utopic
Not affected
14.04 LTS trusty
Not affected
12.04 LTS precise
Not affected

Notes


mdeslaur

ntfs-3g in vivid+ is built with an embedded fuse library instead of the system one original ntfs-3g patch was incomplete

References

Related Ubuntu Security Notices (USN)

Other references